Coefficients | Ranges | Initial value | Final value | Yield change range (%) | Average yield change (%) |
Thermal time grain filling to maturity (P5) | 450 - 640 | 580 | 640 | 2 - 9 | +5 |
Relative leaf size (G1) | 3 - 22 | 11 | 15 | 0.3 - 1.1 | +0.7 |
Partitioning to panicle (G2) | 4.5 - 6.5 | 6 | 6.5 | 7 - 9 | +8 |
Cultivar duration (days) | 90 - 150 | 110 | 130 | 0 - 100 | +15 |